Watching television comfortably seated on the sofa is one of the highlights of the day: maybe just for a short break, or for the length of a film or football match. In both cases it is important for the distance between sofa and TV to be right if you want to enjoy the HD function of your set and avoid compromising your eyesight or suffering from a stiff neck.
The technology of modern, flat screen televisions is very different from that of just ten years ago. The cathode tube and potential short-distance magnetic emissions (which required a safe distance of at least 5/7 times the screen dimension) have disappeared and now a distance of 4.2/4.8 times the dimension is advisable.
This means that an average sized television 40 inches requires a safe distance of approximately 1,7/1,9 metres, whereas for larger screens, e.g. 55 inches, the distance should be at least 2.3/2.6 metres.
If you want to create a perfect home cinema area when planning your living room, the sofa must be placed in front of the TV set. Watching with your head turned sideways will inevitably cause a painful stiff neck, especially if the position is maintained for several hours.
Vision is optimal when the television is placed at a height where your eyes when seated are above two thirds of the screen.
Before fitting your flat screen to the wall, sit on the sofa and judge the right height for a balanced compromise.
Never underestimate the importance of good lighting when you are watching TV. Complete darkness is not advisable because it tires the eyes. Prefer soft illumination near the TV screen or sofa, for example a small table lamp or spotlights with adjustable intensity. The light must not disturb the eyes and must not be shining into them.
Disclaimer: this article simply provides some useful tips, not to be intended as medical advice.
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